We only know that Vancouver is very far away.

我们只知道温哥华离我们十分遥远。

youdao

We only know it exists because of its effect on the expansion of the Universe.

我们只能根据它对宇宙膨胀所起的作用来认识到它的存在。

youdao

We only know he's a relative of Dr White.

我们只知道他是怀特大夫的亲戚。

youdao

We only know he's a relative of Dr White.

我们只知道他是怀特大夫的亲戚。

youdao